Create text2morse.bash

text2morse.bash

@@ -0,0 +1,66 @@
+#!/bin/bash
+# copyright by moshix 2024
+# text to morse
+# pass it an input text file
+
+# Check if a file name is provided
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 filename"
+    exit 1
+fi
+
+# Morse code definitions
+declare -A morse=(
+    [A]=".-"     [B]="-..."   [C]="-.-."   [D]="-.."
+    [E]="."      [F]="..-."   [G]="--."    [H]="...."
+    [I]=".."     [J]=".---"   [K]="-.-"    [L]=".-.."
+    [M]="--"     [N]="-."     [O]="---"    [P]=".--."
+    [Q]="--.-"   [R]=".-."    [S]="..."    [T]="-"
+    [U]="..-"    [V]="...-"   [W]=".--"    [X]="-..-"
+    [Y]="-.--"   [Z]="--.."
+    [1]=".----"  [2]="..---"  [3]="...--"  [4]="....-"
+    [5]="....."  [6]="-...."  [7]="--..."  [8]="---.."
+    [9]="----."  [0]="-----"
+)
+
+
+beep_morse() {
+    local char="$1"
+    case "$char" in
+        ".")
+            # Dot: Short beep
+            beep -l 100 -f 800
+            #echo -n "$char"
+            ;;
+        "-")
+            # Dash: Longer beep
+            beep -l 300 -f 800
+            ;;
+    esac
+    # Pause between parts of the same letter
+    sleep 0.1
+}
+
+# Read the file
+while IFS= read -r line; do
+    # Convert line to uppercase (Morse is case-insensitive)
+    line=$(echo "$line" | tr '[:lower:]' '[:upper:]')
+    # Process each character
+    for (( i=0; i<${#line}; i++ )); do
+        char="${line:$i:1}"
+        if [[ ${morse[$char]+_} ]]; then
+            # Translate character to Morse and beep
+            for (( j=0; j<${#morse[$char]}; j++ )); do
+                echo -n "${morse[$char]}  "
+                #beep_char="${morse[$char]:$j:1}"
+                #beep_morse "$beep_char"
+            done
+            # Pause between letters
+            sleep 0.1
+        fi
+    done
+    # Pause between lines
+    echo -e "\n"
+    sleep 0.3
+done < "$1"
+echo " "